Dirk Eibach | 6fabe55 | 2011-10-20 11:12:55 +0200 | [diff] [blame] | 1 | #include <common.h> |
| 2 | #include <asm/ppc4xx.h> |
| 3 | #include <asm/ppc405.h> |
| 4 | #include <asm/processor.h> |
| 5 | #include <asm/io.h> |
| 6 | |
| 7 | #include <gdsys_fpga.h> |
| 8 | |
| 9 | #include "405ex.h" |
| 10 | |
| 11 | #define REFLECTION_TESTPATTERN 0xdede |
| 12 | #define REFLECTION_TESTPATTERN_INV (~REFLECTION_TESTPATTERN & 0xffff) |
| 13 | |
| 14 | DECLARE_GLOBAL_DATA_PTR; |
| 15 | |
| 16 | int get_fpga_state(unsigned dev) |
| 17 | { |
| 18 | return gd->fpga_state[dev]; |
| 19 | } |
| 20 | |
| 21 | void print_fpga_state(unsigned dev) |
| 22 | { |
| 23 | if (gd->fpga_state[dev] & FPGA_STATE_DONE_FAILED) |
| 24 | puts(" Waiting for FPGA-DONE timed out.\n"); |
| 25 | if (gd->fpga_state[dev] & FPGA_STATE_REFLECTION_FAILED) |
| 26 | puts(" FPGA reflection test failed.\n"); |
| 27 | } |
| 28 | |
| 29 | int board_early_init_f(void) |
| 30 | { |
| 31 | u32 val; |
| 32 | |
| 33 | /*--------------------------------------------------------------------+ |
| 34 | | Interrupt controller setup |
| 35 | +--------------------------------------------------------------------+ |
| 36 | +---------------------------------------------------------------------+ |
| 37 | |Interrupt| Source | Pol. | Sensi.| Crit. | |
| 38 | +---------+-----------------------------------+-------+-------+-------+ |
| 39 | | IRQ 00 | UART0 | High | Level | Non | |
| 40 | | IRQ 01 | UART1 | High | Level | Non | |
| 41 | | IRQ 02 | IIC0 | High | Level | Non | |
| 42 | | IRQ 03 | TBD | High | Level | Non | |
| 43 | | IRQ 04 | TBD | High | Level | Non | |
| 44 | | IRQ 05 | EBM | High | Level | Non | |
| 45 | | IRQ 06 | BGI | High | Level | Non | |
| 46 | | IRQ 07 | IIC1 | Rising| Edge | Non | |
| 47 | | IRQ 08 | SPI | High | Lvl/ed| Non | |
| 48 | | IRQ 09 | External IRQ 0 - (PCI-Express) | pgm H | Pgm | Non | |
| 49 | | IRQ 10 | MAL TX EOB | High | Level | Non | |
| 50 | | IRQ 11 | MAL RX EOB | High | Level | Non | |
| 51 | | IRQ 12 | DMA Channel 0 FIFO Full | High | Level | Non | |
| 52 | | IRQ 13 | DMA Channel 0 Stat FIFO | High | Level | Non | |
| 53 | | IRQ 14 | DMA Channel 1 FIFO Full | High | Level | Non | |
| 54 | | IRQ 15 | DMA Channel 1 Stat FIFO | High | Level | Non | |
| 55 | | IRQ 16 | PCIE0 AL | high | Level | Non | |
| 56 | | IRQ 17 | PCIE0 VPD access | rising| Edge | Non | |
| 57 | | IRQ 18 | PCIE0 hot reset request | rising| Edge | Non | |
| 58 | | IRQ 19 | PCIE0 hot reset request | faling| Edge | Non | |
| 59 | | IRQ 20 | PCIE0 TCR | High | Level | Non | |
| 60 | | IRQ 21 | PCIE0 MSI level0 | High | Level | Non | |
| 61 | | IRQ 22 | PCIE0 MSI level1 | High | Level | Non | |
| 62 | | IRQ 23 | Security EIP-94 | High | Level | Non | |
| 63 | | IRQ 24 | EMAC0 interrupt | High | Level | Non | |
| 64 | | IRQ 25 | EMAC1 interrupt | High | Level | Non | |
| 65 | | IRQ 26 | PCIE0 MSI level2 | High | Level | Non | |
| 66 | | IRQ 27 | External IRQ 4 | pgm H | Pgm | Non | |
| 67 | | IRQ 28 | UIC2 Non-critical Int. | High | Level | Non | |
| 68 | | IRQ 29 | UIC2 Critical Interrupt | High | Level | Crit. | |
| 69 | | IRQ 30 | UIC1 Non-critical Int. | High | Level | Non | |
| 70 | | IRQ 31 | UIC1 Critical Interrupt | High | Level | Crit. | |
| 71 | |---------------------------------------------------------------------- |
| 72 | | IRQ 32 | MAL Serr | High | Level | Non | |
| 73 | | IRQ 33 | MAL Txde | High | Level | Non | |
| 74 | | IRQ 34 | MAL Rxde | High | Level | Non | |
| 75 | | IRQ 35 | PCIE0 bus master VC0 |falling| Edge | Non | |
| 76 | | IRQ 36 | PCIE0 DCR Error | High | Level | Non | |
| 77 | | IRQ 37 | EBC | High |Lvl Edg| Non | |
| 78 | | IRQ 38 | NDFC | High | Level | Non | |
| 79 | | IRQ 39 | GPT Compare Timer 8 | Risin | Edge | Non | |
| 80 | | IRQ 40 | GPT Compare Timer 9 | Risin | Edge | Non | |
| 81 | | IRQ 41 | PCIE1 AL | high | Level | Non | |
| 82 | | IRQ 42 | PCIE1 VPD access | rising| edge | Non | |
| 83 | | IRQ 43 | PCIE1 hot reset request | rising| Edge | Non | |
| 84 | | IRQ 44 | PCIE1 hot reset request | faling| Edge | Non | |
| 85 | | IRQ 45 | PCIE1 TCR | High | Level | Non | |
| 86 | | IRQ 46 | PCIE1 bus master VC0 |falling| Edge | Non | |
| 87 | | IRQ 47 | GPT Compare Timer 3 | Risin | Edge | Non | |
| 88 | | IRQ 48 | GPT Compare Timer 4 | Risin | Edge | Non | |
| 89 | | IRQ 49 | Ext. IRQ 7 |pgm/Fal|pgm/Lvl| Non | |
| 90 | | IRQ 50 | Ext. IRQ 8 - |pgm (H)|pgm/Lvl| Non | |
| 91 | | IRQ 51 | Ext. IRQ 9 |pgm (H)|pgm/Lvl| Non | |
| 92 | | IRQ 52 | GPT Compare Timer 5 | high | Edge | Non | |
| 93 | | IRQ 53 | GPT Compare Timer 6 | high | Edge | Non | |
| 94 | | IRQ 54 | GPT Compare Timer 7 | high | Edge | Non | |
| 95 | | IRQ 55 | Serial ROM | High | Level | Non | |
| 96 | | IRQ 56 | GPT Decrement Pulse | High | Level | Non | |
| 97 | | IRQ 57 | Ext. IRQ 2 |pgm/Fal|pgm/Lvl| Non | |
| 98 | | IRQ 58 | Ext. IRQ 5 |pgm/Fal|pgm/Lvl| Non | |
| 99 | | IRQ 59 | Ext. IRQ 6 |pgm/Fal|pgm/Lvl| Non | |
| 100 | | IRQ 60 | EMAC0 Wake-up | High | Level | Non | |
| 101 | | IRQ 61 | Ext. IRQ 1 |pgm/Fal|pgm/Lvl| Non | |
| 102 | | IRQ 62 | EMAC1 Wake-up | High | Level | Non | |
| 103 | |---------------------------------------------------------------------- |
| 104 | | IRQ 64 | PE0 AL | High | Level | Non | |
| 105 | | IRQ 65 | PE0 VPD Access | Risin | Edge | Non | |
| 106 | | IRQ 66 | PE0 Hot Reset Request | Risin | Edge | Non | |
| 107 | | IRQ 67 | PE0 Hot Reset Request | Falli | Edge | Non | |
| 108 | | IRQ 68 | PE0 TCR | High | Level | Non | |
| 109 | | IRQ 69 | PE0 BusMaster VCO | Falli | Edge | Non | |
| 110 | | IRQ 70 | PE0 DCR Error | High | Level | Non | |
| 111 | | IRQ 71 | Reserved | N/A | N/A | Non | |
| 112 | | IRQ 72 | PE1 AL | High | Level | Non | |
| 113 | | IRQ 73 | PE1 VPD Access | Risin | Edge | Non | |
| 114 | | IRQ 74 | PE1 Hot Reset Request | Risin | Edge | Non | |
| 115 | | IRQ 75 | PE1 Hot Reset Request | Falli | Edge | Non | |
| 116 | | IRQ 76 | PE1 TCR | High | Level | Non | |
| 117 | | IRQ 77 | PE1 BusMaster VCO | Falli | Edge | Non | |
| 118 | | IRQ 78 | PE1 DCR Error | High | Level | Non | |
| 119 | | IRQ 79 | Reserved | N/A | N/A | Non | |
| 120 | | IRQ 80 | PE2 AL | High | Level | Non | |
| 121 | | IRQ 81 | PE2 VPD Access | Risin | Edge | Non | |
| 122 | | IRQ 82 | PE2 Hot Reset Request | Risin | Edge | Non | |
| 123 | | IRQ 83 | PE2 Hot Reset Request | Falli | Edge | Non | |
| 124 | | IRQ 84 | PE2 TCR | High | Level | Non | |
| 125 | | IRQ 85 | PE2 BusMaster VCO | Falli | Edge | Non | |
| 126 | | IRQ 86 | PE2 DCR Error | High | Level | Non | |
| 127 | | IRQ 87 | Reserved | N/A | N/A | Non | |
| 128 | | IRQ 88 | External IRQ(5) | Progr | Progr | Non | |
| 129 | | IRQ 89 | External IRQ 4 - Ethernet | Progr | Progr | Non | |
| 130 | | IRQ 90 | External IRQ 3 - PCI-X | Progr | Progr | Non | |
| 131 | | IRQ 91 | External IRQ 2 - PCI-X | Progr | Progr | Non | |
| 132 | | IRQ 92 | External IRQ 1 - PCI-X | Progr | Progr | Non | |
| 133 | | IRQ 93 | External IRQ 0 - PCI-X | Progr | Progr | Non | |
| 134 | | IRQ 94 | Reserved | N/A | N/A | Non | |
| 135 | | IRQ 95 | Reserved | N/A | N/A | Non | |
| 136 | |--------------------------------------------------------------------- |
| 137 | +---------+-----------------------------------+-------+-------+------*/ |
| 138 | /*--------------------------------------------------------------------+ |
| 139 | | Initialise UIC registers. Clear all interrupts. Disable all |
| 140 | | interrupts. |
| 141 | | Set critical interrupt values. Set interrupt polarities. Set |
| 142 | | interrupt trigger levels. Make bit 0 High priority. Clear all |
| 143 | | interrupts again. |
| 144 | +-------------------------------------------------------------------*/ |
| 145 | |
| 146 | mtdcr(UIC2SR, 0xffffffff); /* Clear all interrupts */ |
| 147 | mtdcr(UIC2ER, 0x00000000); /* disable all interrupts */ |
| 148 | mtdcr(UIC2CR, 0x00000000); /* Set Critical / Non Critical interrupts */ |
| 149 | mtdcr(UIC2PR, 0xf7ffffff); /* Set Interrupt Polarities */ |
| 150 | mtdcr(UIC2TR, 0x01e1fff8); /* Set Interrupt Trigger Levels */ |
| 151 | mtdcr(UIC2VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */ |
| 152 | mtdcr(UIC2SR, 0x00000000); /* clear all interrupts */ |
| 153 | mtdcr(UIC2SR, 0xffffffff); /* clear all interrupts */ |
| 154 | |
| 155 | mtdcr(UIC1SR, 0xffffffff); /* Clear all interrupts */ |
| 156 | mtdcr(UIC1ER, 0x00000000); /* disable all interrupts */ |
| 157 | mtdcr(UIC1CR, 0x00000000); /* Set Critical / Non Critical interrupts */ |
| 158 | mtdcr(UIC1PR, 0xfffac785); /* Set Interrupt Polarities */ |
| 159 | mtdcr(UIC1TR, 0x001d0040); /* Set Interrupt Trigger Levels */ |
| 160 | mtdcr(UIC1VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */ |
| 161 | mtdcr(UIC1SR, 0x00000000); /* clear all interrupts */ |
| 162 | mtdcr(UIC1SR, 0xffffffff); /* clear all interrupts */ |
| 163 | |
| 164 | mtdcr(UIC0SR, 0xffffffff); /* Clear all interrupts */ |
| 165 | mtdcr(UIC0ER, 0x0000000a); /* Disable all interrupts */ |
| 166 | /* Except cascade UIC0 and UIC1 */ |
| 167 | mtdcr(UIC0CR, 0x00000000); /* Set Critical / Non Critical interrupts */ |
| 168 | mtdcr(UIC0PR, 0xffbfefef); /* Set Interrupt Polarities */ |
| 169 | mtdcr(UIC0TR, 0x00007000); /* Set Interrupt Trigger Levels */ |
| 170 | mtdcr(UIC0VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */ |
| 171 | mtdcr(UIC0SR, 0x00000000); /* clear all interrupts */ |
| 172 | mtdcr(UIC0SR, 0xffffffff); /* clear all interrupts */ |
| 173 | |
| 174 | /* |
| 175 | * Note: Some cores are still in reset when the chip starts, so |
| 176 | * take them out of reset |
| 177 | */ |
| 178 | mtsdr(SDR0_SRST, 0); |
| 179 | |
| 180 | /* |
| 181 | * Configure PFC (Pin Function Control) registers |
| 182 | */ |
| 183 | val = SDR0_PFC1_GPT_FREQ; |
| 184 | mtsdr(SDR0_PFC1, val); |
| 185 | |
| 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | int board_early_init_r(void) |
| 190 | { |
| 191 | unsigned k; |
| 192 | unsigned ctr; |
| 193 | |
| 194 | for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) |
| 195 | gd->fpga_state[k] = 0; |
| 196 | |
| 197 | /* |
| 198 | * reset FPGA |
| 199 | */ |
| 200 | gd405ex_init(); |
| 201 | |
| 202 | gd405ex_set_fpga_reset(1); |
| 203 | |
| 204 | gd405ex_setup_hw(); |
| 205 | |
| 206 | for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) { |
| 207 | ctr = 0; |
| 208 | while (!gd405ex_get_fpga_done(k)) { |
| 209 | udelay(100000); |
| 210 | if (ctr++ > 5) { |
| 211 | gd->fpga_state[k] |= FPGA_STATE_DONE_FAILED; |
| 212 | break; |
| 213 | } |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | udelay(10); |
| 218 | |
| 219 | gd405ex_set_fpga_reset(0); |
| 220 | |
| 221 | for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) { |
| 222 | ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(k); |
| 223 | #ifdef CONFIG_SYS_FPGA_NO_RFL_HI |
| 224 | u16 *reflection_target = &fpga->reflection_low; |
| 225 | #else |
| 226 | u16 *reflection_target = &fpga->reflection_high; |
| 227 | #endif |
| 228 | /* |
| 229 | * wait for fpga out of reset |
| 230 | */ |
| 231 | ctr = 0; |
| 232 | while (1) { |
| 233 | out_le16(&fpga->reflection_low, |
| 234 | REFLECTION_TESTPATTERN); |
| 235 | |
| 236 | if (in_le16(reflection_target) == |
| 237 | REFLECTION_TESTPATTERN_INV) |
| 238 | break; |
| 239 | |
| 240 | udelay(100000); |
| 241 | if (ctr++ > 5) { |
| 242 | gd->fpga_state[k] |= |
| 243 | FPGA_STATE_REFLECTION_FAILED; |
| 244 | break; |
| 245 | } |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | return 0; |
| 250 | } |